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Finding the Fourth Proportional to 114,314.64, 171,483.39 and 39,424.92

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Solution

The fourth proportional to 114,314.64, 171,483.39 and 39,424.92 is: 59,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,314.64 : 171,483.39 = 39,424.92 : x
  2. Step 2: Convert to fraction form
    114,314.64/171,483.39 = 39,424.92/x
  3. Step 3: Cross multiply
    114,314.64x = 171,483.39 × 39,424.92
  4. Step 4: Simplify right side
    114,314.64x = 6,760,718,932.08
  5. Step 5: Solve for x
    x = 6,760,718,932.08/114,314.64
  6. Step 6: Final answer
    x = 59,141.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.